Features:

1. Wireless BT 5.0:
Adopt latest wireless BT 5.0 technology, faster and more stable pair and connection. Built-in advanced boom microphone and dynamic speaker, provide crystal clear, true sound. Noise cancellation Mic suitable for various environment speaking.
2. Easy to use:
One multifunction button to answer, reject, hang-up, redial, mute of calling, and also double-click multifunction button during calling to mute.
3. Support one to two connection and auto-reconnect:
Pair with the first device, then turn off Wireless BT of the first device and pair with the second device, and then reactivate the Wireless BT connection of the first device to achieve two connection.
4. Hands-Free:
Long push the calling button to activate (Siri) Voice assistant to achieve hands-free, which is more convenient for using in business working.
5. Comfortable wearing:
180 degree rotating earplug, your left and right ears comfortable fit, lightweight and comfortable enough to be worn for hours at a time.
6. Super long battery life:
Up to 180 hours super long standby time, up to 20 hours of calling, up to 18 hours of playing music.

Specification:

Wireless BT version: 5.0
Talk time: up to 20 hours
Music time: up to 18 hours
Standby time: more than 180 hours
Charging time: 10 minutes
Charging type: Micro USB
Charging power: DC 5V 110mAh
Transmission distance: 32ft (10m)
Output power: 3mW x 2
Input voltage: 5V
Input current: 1A
Sensitivity at 1KHz: 102dB
Impedance: 16 ohms
Frequency range: 20Hz-20KHz
Supported profiles: HSP, HFP, A2DP, AVRCP
Microphone sensitivity: -42dB
Microphone impedance: 2200 ohms. Single earpiece, wireless connection

Package content:

1x S109 Wireless Headphone
1x Charging Cable
1x Manual